118 lines
3.2 KiB
JavaScript
118 lines
3.2 KiB
JavaScript
const express = require('express');
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const router = express.Router();
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const db = require('../db');
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/**
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* GET /api/session/list
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* 获取会话列表（按更新时间倒序，带最后一条消息预览）
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*/
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router.get('/list', async (req, res) => {
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try {
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const userId = req.query.userId || null;
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const limit = parseInt(req.query.limit) || 50;
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const sessions = await db.getSessionList(userId, limit);
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res.json({
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success: true,
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data: sessions.map((s) => ({
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id: s.id,
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userId: s.user_id,
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mode: s.mode,
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createdAt: s.created_at,
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updatedAt: s.updated_at,
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lastMessage: s.last_message ? (s.last_message.length > 60 ? s.last_message.slice(0, 60) + '...' : s.last_message) : null,
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messageCount: parseInt(s.message_count) || 0,
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})),
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});
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} catch (err) {
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console.error('[Session] List failed:', err.message);
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res.status(500).json({ success: false, error: err.message });
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}
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});
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/**
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* DELETE /api/session/:id
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* 删除会话及其所有消息
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*/
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router.delete('/:id', async (req, res) => {
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try {
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const { id } = req.params;
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await db.deleteSession(id);
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res.json({ success: true });
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} catch (err) {
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console.error('[Session] Delete failed:', err.message);
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res.status(500).json({ success: false, error: err.message });
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}
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});
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/**
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* GET /api/session/:id/history
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* 获取会话完整历史（用于文字↔语音切换时加载上下文）
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*/
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router.get('/:id/history', async (req, res) => {
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try {
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const { id } = req.params;
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const limit = parseInt(req.query.limit) || 20;
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const format = req.query.format || 'llm'; // 'llm' | 'full'
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let messages;
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if (format === 'full') {
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messages = await db.getRecentMessages(id, limit);
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} else {
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messages = await db.getHistoryForLLM(id, limit);
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}
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const session = await db.getSession(id);
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res.json({
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success: true,
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data: {
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sessionId: id,
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mode: session?.mode || null,
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messages,
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count: messages.length,
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},
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});
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} catch (err) {
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console.error('[Session] Get history failed:', err.message);
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res.status(500).json({ success: false, error: err.message });
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}
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});
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/**
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* POST /api/session/:id/switch
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* 切换会话模式（voice ↔ chat），返回上下文历史
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*/
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router.post('/:id/switch', async (req, res) => {
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try {
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const { id } = req.params;
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const { targetMode } = req.body; // 'voice' | 'chat'
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if (!targetMode || !['voice', 'chat'].includes(targetMode)) {
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return res.status(400).json({ success: false, error: 'targetMode must be "voice" or "chat"' });
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}
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// 更新会话模式
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await db.updateSessionMode(id, targetMode);
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// 返回最近的对话历史供新模式使用
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const history = await db.getHistoryForLLM(id, 20);
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console.log(`[Session] Switched ${id} to ${targetMode}, history: ${history.length} messages`);
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res.json({
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success: true,
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data: {
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sessionId: id,
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mode: targetMode,
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history,
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count: history.length,
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},
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});
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} catch (err) {
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console.error('[Session] Switch failed:', err.message);
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res.status(500).json({ success: false, error: err.message });
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}
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});
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module.exports = router;
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